were enroute to his home before paul ciancia opened fire at the airport. ben tracy explains why they missed him. john miller found out how the gunman got the rifle into the terminal. how did the health care web site duck federal security requirements? sharyl attkisson found the answer. an n.f.l. lineman quits over alleged locker room harassment. mark strassmann tells us what it was all about. and elaine quijano on the forgotten p.o.w.s. they were captured and held in prison camps. so why did uncle sam turn his back? captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening. those who know paul ciancia are at a loss to explain friday's rampage at los angeles international airport and his apparent hatred for the t.s.a. today his family apologized.